Porcelain enamel substrate for mounting light emitting device and method of manufacturing the same, light emitting device module, illumination device, display unit and traffic signal
US8382345B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2009 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Aug 10, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A porcelain enamel substrate (1) mounts a light emitting element in which a porcelain enamel layer (5) is coated onto a surface of a core metal (4), and a reflective cup portion (7) that has a flat bottom surface and a sloping portion that surrounds this bottom surface is provided on a light emitting element mounting surface, and an electrode (6) for energizing a light emitting element (3) is provided on the light emitting element mounting surface, and the thickness of the electrode (6) within the reflective cup portion (7) is within a range of 5 μm to 100 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.